Zero-day vulnerability in Microsoft Office InfoPath
Cross-site scripting
CVE-2012-2520
Vulnerability details
Advisory: SB2012100901 - XSS in HTML Sanitization Component in Microsoft Office products
Vulnerable component: Microsoft Office InfoPath
CVE-ID: CVE-2012-2520
CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Description:
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks and gain elevated privileges.
The vulnerability exists due to insufficient sanitization of user-input within HTML Sanitization Component. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in userтАЩs browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Note: the vulnerability was being actively exploited.
External links:
https://technet.microsoft.com/en-us/library/security/ms12-066.aspx
http://www.mcafee.com/us/resources/release-notes/foundstone/fsl_10_10_2012.pdf
http://www.securityweek.com/recently-patched-html-sanitization-flaw-linked-hotmail-xss-vulnerability
http://www.trendmicro.com.ru/vinfo/ru/threat-encyclopedia/vulnerability/2293/microsoft-windows-html-...
http://www.tripwire.com/vert/vert-alert/vert-alert-october-9-2012/
https://www.sophos.com/en-us/threat-center/threat-analyses/vulnerabilities/VET-000380.aspx